ViewSonic N14 power bank 50000mAh 22.5W Black
High-capacity 50000mAh power bank with 22.5W fast charging, four built-in cables, LED percentage display, and 192.5Wh energy in a 0.75lb design
- Total capacity50,000 mAh
- Battery chemistryLithium ion
- Voltage3.85 V
- Amperage3 A
- Measurements4.8 in × 3.1 in × 1.1 in
- Product type50,000 mAh
- Massive 50000mAh capacity charges iPhone 17 up to 9.1 times
- 5W fast charging delivers 55% iPhone 17 charge in 30 minutes
- Four built-in cables plus three ports power five devices at once
- Smart LED digital display shows exact remaining percentage at a glance
- Ultra-compact at 0.75 lb and 30% smaller than traditional high-capacity models
Massive capacity in a compact form
The ViewSonic N14 power bank stores 50000 milliamp-hours of energy while measuring only 4.8 by 3.1 by 1.1 inches and weighing 0.75 pounds. Its lithium-ion cells deliver 192.5 watt-hours at 3.85 volts, and the unit is 30 percent smaller and 15 percent lighter than traditional high-capacity models. Built-in cables and a smart LED display make it a self-contained solution for extended off-grid use.
Ideal for multi-device travellers.
Users who need to keep a phone, tablet, earbuds, and smartwatch powered for days will appreciate the five simultaneous outputs and four integrated cables. The 22.5-watt fast charging brings an iPhone 17 to 55 percent in 30 minutes and a Galaxy S25 to 60 percent in the same window. Buyers who only top up a single handset overnight may find the capacity and cable bundle excessive for their needs.
Fits in a pocket, replaces a cable bag
Four built-in cables — Micro-B output, USB-A input, Type-C output, and Lightning output — plus three extra ports (Micro-B input, Type-C input/output, USB-A output) eliminate the need to carry separate cords. The 90-minute recharge time restores the bank quickly between trips. Over-charge and short-circuit protection safeguard connected gear, while the digital percentage display lets you plan remaining power at a glance.
How it compares
Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.
- Price $29.99
- Cheaper than about 70% of the 1,307 comparable items (median $36.99).
Specifications
| Product | |
|---|---|
| Brand name | ViewSonic |
| Model name | N14 |
| Part number | N14 |
| Total capacity | 50,000 mAh |
| Product type | 50,000 mAh |
| Product color | Black |
| Power | |
| Battery chemistry | Lithium ion |
| Voltage | 3.85 V |
| Amperage | 3 A |
| Size & build | |
| Measurements | 4.8 in × 3.1 in × 1.1 in |
| Product weight | 0.75 lb (0.34 kg) |
Questions about this item
What devices must I already have to charge this power bank?
You need a charger with a USB Type-A or USB Type-C port and a matching cable to supply up to 3 A at 5 V.
Will my older phone that only takes Micro-USB still charge from the built-in Micro-B cable?
Yes, the integrated Micro-B output cable delivers power to any device with a Micro-USB port, up to the bank's 22.5 W limit.
How do I confirm the power bank is charging my devices at the advertised fast rate?
The LED digital display shows the exact remaining percentage; watch it drop steadily while your phone reports fast charging.
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